NX-203
96
Q203
Mixer
RF (Center Frequency)
VCO
ASIC
IC108
DSP
IC102
Q202
IF Amp
IC704
SMF
500mV
rms
C206
C213
XF200
MCF
C316
C362
LNA
Q204
C790
PLL
C100
C84
Q100
C104
D100
RXLO
Q102
C117
Q103
Q106
C166
D201
-119.5dBm
-120.5dBm
-121.0dBm
-107.5dBm
-120.5dBm
-101.5dBm
64mV
rms
(at MIC terminal)
47.4mV
rms
3.4dBm
7.7dBm
31.1dBm
5.0W
IF1 (58.05MHz)
AF (1kHz)
L223
C112
C130
IC713
C756
IC108
ASIC
IC707
SCSW
C709
93.6mV
rms
93.1mV
rms
93.2mV
rms
125.9mV
rms
69.8mV
rms
2.6dBm
19.3dBm
RF (Center Frequency)
IC413
Audio Amp
IC408
SP Drive
IC716
C762
C721
IC710
IC706
C85
C56
IC705
391.8mV
rms(W)
195.9mV
rms(N)
IC4
190.6mV
rms(W)
95.3mV
rms(N)
IC710
391.8mV
rms(W)
195.9mV
rms(N)
391.8mV
rms(W)
195.9mV
rms(N)
IC703
IC703
DAC
C424
IC409
C438
131.0mV
rms
9.32mV
rms
125mV
rms
AF (1kHz)
IC202
FM IC
CF201
CF
C355
IC203
-55.0dBm
C246
-64.0dBm
IF2 (450kHz)
391.8mV
rms(W)
195.9mV
rms(N)
190.6mV
rms(W)
95.3mV
rms(N)
126.4mV
rms(W)
63.2mV
rms(N)
VCO
IC703
Receiv
er Section
T
ransmit
ter Section
LEVEL DIAGRAM
To
mak
e measurements in the
AF section,
connect
the
A
C
le
v
e
l meter
. (ANT
input:
-53
dBm, 1kHz FM, 3kHz DEV (W
ide))
In the RF section, use a 1
0
0
0pF coupling
capacitor
.
(T
he
displa
y
sho
ws
the
SSG
input
v
alue
required to obt
ain 1
2dB SINAD without lo-
cal le
v
el.)
A
G
is set to the MIC input becomes (3kHz/1
.5kHz)
at 1kHz MOD (W
ide/Nar
ro
w).
To
mak
e measurements in the
AF section, connect
the
A
C
le
v
el meter
.
In the RF section, use a 1
0
0
0pF coupling capacitor
.
Содержание NX-203
Страница 99: ...NX 203 99 MEMO ...
Страница 100: ...Printed in Japan No RQ076 Communications Systems Business Unit ...